12987549 (number)

12987549 is an odd 8-digits composite number following 12987548 and preceding 12987550. In scientific notation, it is written as 1.2987549 × 10^7. The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors. There are 8612352 positive integers (up to 12987549) that are relatively prime to 12987549.

Interesting facts

Basic properties

Name

Name twelve million nine hundred eighty-seven thousand five hundred forty-nine

Notation

Scientific notation 1.2987549 × 10^7
Engineering notation 1.2987549 × 10^6

Prime Factorization of 12987549

Prime Factorization 9 × 193 × 7477

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 12987549
Product of the distinct prime numbers

The prime factorization of 12987549 is 9 × 193 × 7477. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12987549)

Multiplication

n×y
n×2 25975098
n×3 38962647
n×4 51950196
n×5 64937745

Division

n÷y
n÷2 6493774.5
n÷3 4329183
n÷3 3246887.25
n÷5 2597509.8

Exponentiation

ny
n2 168676429027401
n3 2.1906933871384E+21
n4 2.8451737709436E+28
n5 3.6951833763645E+35

Nth Root

y√n
2√n 3603.8242187987
3√n 235.05837692625
4√n 60.031860031143
5√n 26.46704402747

Divisors of 12987549

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12987548
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12987549 can be divided by 8 positive divisors. The sum of these divisors (counting 12987549) is 1, the average is 0.125.

Base conversion 12987549

Base System Value
2 Binary 110001100010110010011101
3 Ternary 220102211120100
4 Quaternary 301202302131
5 Quinary 11311100144
6 Senary 1142211313
8 Octal 61426235
10 Decimal 12987549
12 Duodecimal 4423b39
16 Hexadecimal c62c9d
20 Vigesimal 4138h9
36 Base36 7qd99

Cryptographic Hash Functions

md5 ab42f2a9bdeb03f872159259cc8ed9e4
sha1 661179e96d81cb44759cb892e7228da6a8e4b2c0
sha256 051256e6d91b8a054c7862f9d76bf2a2356286000040ae23fd8718461965294e
sha512 f6275b8108a3bb5f0f3c955319b026fab612b93123ca7d86a8bcb388ec28f94c949d60e57735df206e96c29128325391f0a50ba292052fa5004488e09f8cd522
ripemd-160 92005eab25199f867cde6468f669f342870525bd

12987549 as geometric shapes

Circle

Radius = n
Diameter 25975098
Circumference 81603177.053075
Area 5.2991263026624E+14

Sphere

Radius = n
Volume 9.1763550017356E+21
Surface area 2.119650521065E+15
Circumference 81603177.053075

Square

Length = n
Perimeter 51950196
Area 168676429027401
Diagonal 18367167.937785

Cube

Length = n
Surface area 1012058574164406
Volume 2.1906933871384E+21
Space diagonal 22495094.73379

Equilateral Triangle

Length = n
Perimeter 38962647
Area 73039036278686
Altitude 11247547.366895

Triangular Pyramid

Length = n
Surface area 73039036278686
Volume 2.5817569159101E+20
Height 6122389.312595